mm, compaction: fix fastisolatearound() to stay within boundaries
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.10.163 by commit 882734bbc5873143b17292cd29504bda9142d565, it was introduced in version v5.10.20 by commit 25b0eb2e33c9a3883a523d142681f5302bc80400. For more details please see the references link.